calculate the molarity 4.0 g of KOH in 2.0 L of solution

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25-01-2017
Chemistry

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calculate the molarity 4.0 g of KOH in 2.0 L of solution

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Willchemistry Willchemistry · Answer 1 · 2017-02-01T21:40:40+01:00

Willchemistry Willchemistry

01-02-2017

Molar mass KOH = 56.1056 g/mol

Number of moles:

4.0 / 56.1056 => 0.0712 moles

Therefore:

Molarity = moles / Volume

Molarity = 0.0712 / 2.0

=> 0.0356 M

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